Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/14102
Title: Validating BMS sensors for chiller condition monitoring
Authors: Wang, S 
Wang, J
Burnett, J
Keywords: Chiller monitoring
Diagnosis
Evaluation
Fault detection
Sensor
Issue Date: 2001
Publisher: SAGE Publications
Source: Transactions of the Institute of Measurement and Control, 2001, v. 23, no. 4, p. 201-225 How to cite?
Journal: Transactions of the Institute of Measurement and Control 
Abstract: A method based on energy balance is developed for diagnosing and validating the health states of the building management system (BMS) sensors (faults and biases) for monitoring chiller condition. A normalized energy balance residual is defined and used as the indices for fault detection. A characteristic quantity is derived for diagnosing flow meter faults without needing to know the temperature sensor biases. A robust algorithm is developed for estimating the magnitude of the flow meter biases. The sensor fault validation method, verification of the method using dynamic simulation programs and application to an existing chilling plant are presented.
URI: http://hdl.handle.net/10397/14102
ISSN: 0142-3312
EISSN: 1477-0369
DOI: 10.1191/014233101681274142
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